128030040252148 has 24 divisors (see below), whose sum is σ = 231779461949280. Its totient is φ = 61807354758240.

The previous prime is 128030040252131. The next prime is 128030040252161. The reversal of 128030040252148 is 841252040030821.

It is a happy number.

It is a super-2 number, since 2×128030040252148² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 128030040252148.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28241403 + ... + 32459773.

It is an arithmetic number, because the mean of its divisors is an integer number (9657477581220).

Almost surely, 2^{128030040252148} is an apocalyptic number.

It is an amenable number.

128030040252148 is a deficient number, since it is larger than the sum of its proper divisors (103749421697132).

128030040252148 is a wasteful number, since it uses less digits than its factorization.

128030040252148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480047 (or 4480045 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

Adding to 128030040252148 its reverse (841252040030821), we get a palindrome (969282080282969).

The spelling of 128030040252148 in words is "one hundred twenty-eight trillion, thirty billion, forty million, two hundred fifty-two thousand, one hundred forty-eight".